SEARCH Articles Figures Tables Aromatic oxygenates Aromaticity aromatic heterocycles Aromaticity heterocyclics Aromaticity oxygen heterocycles Aromatics oxygenated Heterocycle oxygen Heterocycles aromatic Heterocycles aromatization Heterocycles oxygenation Heterocyclic aromatics Heterocyclic oxygen Polycyclic aromatic heterocycles Polycyclic heterocycles